• Senior Principal Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role ... include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment... security practices, TCP/IP networking, 802.1x, and network security concepts + An active IAT Level II more
    ManTech (12/13/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA** . Senior Cyber Security ... IAT Level II certification within 6 months of hire (eg, Security +, GSEC, SSCP) **Preferred Qualifications:** + Experience with Ansible and writing automation… more
    ManTech (12/11/25)
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  • Cyber Security Implementation…

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... and enhance NGA networks and cybersecurity posture in support of national security . Joining the TCS Team means working with truly cutting-edge technologies, on… more
    CACI International (11/14/25)
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  • Senior Security Systems Engineer

    Cydecor, Inc. (Virginia Beach, VA)
    …to Excellence, what separates us. Job Description: Cydecor is seeking a Senior Security Systems Engineer to support cybersecurity and systems engineering for US ... to enable decision-support and remain ahead of ever-evolving national security challenges. Our success rests squarely on three bedrock...Must hold or be able to obtain IAM/IAT Level II certification or higher and/or Navy Qualified Validator (NQV)… more
    Cydecor, Inc. (01/19/26)
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  • Security Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …+ Bachelor's degree desired ** Security Requirements:** + Active DoD Top Secret security clearance 1. One (1) engineer will require a TS/SCI clearance Imagine ... One Technology & Management, Ltd. is seeking two (2) ** Security Engineers.** This position is contingent upon award of...oral presentations. **Educational Requirements:** + Certified as IAT Level II or Level III per DoD 8570.01, or successor… more
    Imagine One Technology & Management (12/24/25)
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  • Machine Learning II

    AeroVironment (Centreville, VA)
    **Worker Type** Regular **Job Description** The **Machine Learning Engineer II ** will be a member of the Learning and Active Perception (LEAP) group in AV's ... Citizenship required * Active Secret level (or higher) DoD security clearance * Willingness and ability to travel CONUS...missile systems. Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading… more
    AeroVironment (12/02/25)
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  • Full Stack Infrastructure Engineer

    Nightwing (Sterling, VA)
    …Offense and Defense Experts (CODEX) is seeking a skilled Full Stack Infrastructure Engineer with expertise and focus on automated patching and security updates ... development environments. This role involves contributing to building an automated security finding, analysis and automated remediation pipeline. to support CISA's… more
    Nightwing (01/07/26)
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  • Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    **Description** As a Security Engineer on our team, you...DoD TS/SCI clearance + Must have DoD 8570 IAT II or higher certification ( Security + CE or ... will operate and maintain network security infrastructure utilized by a team of cybersecurity analysts in support of 24x7x365 mission-critical operations. This… more
    Leidos (11/15/25)
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  • Expert Security Engineer

    Amentum (Arlington, VA)
    …Information Systems Security Professional (CISSP), CompTIA CASP, or other IAT II Certification + Extensive experience with Security Framework regulations, to ... As the Information System Security Officer (ISSO) for GEODS, you will directly...Security Professional (CISSP), CompTIA CASP, or other IAT II Certification \#javelin **Compensation Details:** US:$175,000-$195,000 The compensation range… more
    Amentum (01/14/26)
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  • Information System Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Langley, VA)
    Information System Security Engineer The Opportunity: As a...lieu of a degree + DoD 8140 IAT Level II Certification Nice If You Have: + Experience with ... evaluate risk and make meaningful recommendations. You'll help monitor security environments and identify security gaps through...You'll help monitor security environments and identify security gaps through the eyes of an adversary. You'll… more
    BOOZ, ALLEN & HAMILTON, INC. (01/16/26)
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